package com.ie.common.security.utils;

import cn.hutool.json.JSONUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;

import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;

/**
 * @Description: Redis工具类
 * @Author: xujia
 * @Date: 2024/8/29  23:03
 * @Param:
 * @version: 1.0
 * @Return:
 **/
@Component
@Slf4j
public final class RedisUtil {
    @Autowired
    private RedisTemplate<String, Object> redisTemplate;
    // =============================common============================

    /**
     * @Description: 指定缓存失效时间
     * @Author: royxu
     * @Date: 2025/4/23  13:54
     * @Param: [key, time]
     * @version: 1.0
     * @Return: boolean
     **/
    public void expire(String key, long time) {
        try {
            if (time > 0) {
                redisTemplate.expire(key, time, TimeUnit.SECONDS);
            }
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        }
    }

    /**
     * @Description: 判断key是否存在
     * @Author: royxu
     * @Date: 2025/4/23  13:56
     * @Param: [key]
     * @version: 1.0
     * @Return: boolean, true 存在 false不存在
     **/
    public boolean hasKey(String key) {
        try {
            return redisTemplate.hasKey(key);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * @Description: 删除缓存
     * @Author: royxu
     * @Date: 2025/4/23  13:57
     * @Param: [key], 可以传一个值 或多个
     * @version: 1.0
     * @Return: void
     **/
    @SuppressWarnings("unchecked")
    public void del(String... key) {
        if (key != null && key.length > 0) {
            if (key.length == 1) {
                redisTemplate.delete(key[0]);
            } else {
                redisTemplate.delete((Collection<String>) CollectionUtils.arrayToList(key));
            }
        }
    }

    /**
     * @Description: 根据key 获取过期时间
     * @Author: royxu
     * @Date: 2025/4/23  13:55
     * @Param: [key]不能为null
     * @version: 1.0
     * @Return: long 时间(秒) 返回0代表为永久有效
     **/
    public long getExpire(String key) {
        return redisTemplate.getExpire(key, TimeUnit.SECONDS);
    }

    /**
     * @Description: 通过给定的前缀perFix从Redis中查找所有匹配的键。将找到的键集转换为字符串数组。
     * 调用del方法删除这些键,返回true表示操作成功。
     * @Author: xujia
     * @Date: 2024/8/29  22:47
     * @Param: [perFix]
     * @version: 1.0
     * @Return: boolean
     **/
    public boolean deleteKeysByPerFix(String perFix) {
        Set<String> keys = this.redisTemplate.keys(perFix);
        String[] mykeys = new String[keys.size()];
        keys.toArray(mykeys);
        this.del(mykeys);
        return true;
    }
    // ============================String=============================

    /**
     * @Description: 普通缓存获取
     * @Author: royxu
     * @Date: 2025/4/23  13:58
     * @Param: [key]
     * @version: 1.0
     * @Return: java.lang.Object
     **/
    public Object get(String key) {
        return key == null ? null : redisTemplate.opsForValue().get(key);
    }

    /**
     * @Description: 普通缓存放入
     * https://blog.csdn.net/qq_43842093/article/details/121527498
     * @Author: royxu
     * @Date: 2025/4/23  13:58
     * @Param: [key, value]
     * @version: 1.0
     * @Return: boolean, true成功 false失败
     **/
    public boolean set(String key, Object value) {
        try {
            redisTemplate.opsForValue().set(key, value);
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * @Description: 普通缓存放入并设置时间
     * @Author: royxu
     * @Date: 2025/4/23  13:59
     * @Param: [key, value, time] 键值，时间(秒) time要大于0 如果time小于等于0 将设置无限期
     * @version: 1.0
     * @Return: boolean
     **/
    public boolean set(String key, Object value, long time) {
        try {
            if (time > 0) {
                redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
            } else {
                set(key, value);
            }
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * @Description: 递增
     * @Author: royxu
     * @Date: 2025/4/23  14:00
     * @Param: [key, delta] 键,要增加几(大于0)
     * @version: 1.0
     * @Return: long
     **/
    public long incr(String key, long delta) {
        if (delta < 0) {
            throw new RuntimeException("递增因子必须大于0");
        }
        Long result = redisTemplate.opsForValue().increment(key, delta);
        if (result == null) {
            // Handle null case (throw exception, return default value, etc.)
            throw new IllegalStateException("Redis increment returned null");
        }
        // long primitiveResult = result;
        return result;
    }

    /**
     * @Description: 递减
     * @Author: royxu
     * @Date: 2025/4/23  14:02
     * @Param: [key, delta] 键,要减少几(小于0)
     * @version: 1.0
     * @Return: long
     **/
    public long decr(String key, long delta) {
        if (delta < 0) {
            throw new RuntimeException("递减因子必须大于0");
        }
        Long result = redisTemplate.opsForValue().increment(key, -delta);
        if (result == null) {
            // Handle null case (throw exception, return default value, etc.)
            throw new IllegalStateException("Redis increment returned null");
        }
        // long primitiveResult = result;
        return result;
    }

    // ================================Map=================================

    /**
     * @Description: HashGet
     * @Author: royxu
     * @Date: 2025/4/23  14:11
     * @Param: [key, item] 不能为null
     * @version: 1.0
     * @Return: java.lang.Object
     **/
    public Object hget(String key, String item) {
        return redisTemplate.opsForHash().get(key, item);
    }

    /**
     * @Description: 取hashKey对应的所有键值
     * @Author: royxu
     * @Date: 2025/4/23  14:12
     * @Param: [key]
     * @version: 1.0
     * @Return: java.util.Map<java.lang.Object, java.lang.Object>对应的多个键值
     **/
    public Map<Object, Object> hmget(String key) {
        return redisTemplate.opsForHash().entries(key);
    }

    /**
     * @Description: HashSet
     * @Author: royxu
     * @Date: 2025/4/23  14:13
     * @Param: [key, map]对应多个键值
     * @version: 1.0
     * @Return: boolean true 成功 false 失败
     **/
    public boolean hmset(String key, Map<String, Object> map) {
        try {
            redisTemplate.opsForHash().putAll(key, map);
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * @Description: HashSet 并设置时间
     * @Author: royxu
     * @Date: 2025/4/23  14:14
     * @Param: [key, map, time] 键,对应多个键值,时间(秒)
     * @version: 1.0
     * @Return: boolean true成功 false失败
     **/
    public boolean hmset(String key, Map<String, Object> map, long time) {
        try {
            redisTemplate.opsForHash().putAll(key, map);
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * @Description: 向一张hash表中放入数据, 如果不存在将创建
     * @Author: royxu
     * @Date: 2025/4/23  14:15
     * @Param: [key, item, value] 键,项,值
     * @version: 1.0
     * @Return: boolean true 成功 false失败
     **/
    public boolean hset(String key, String item, Object value) {
        try {
            redisTemplate.opsForHash().put(key, item, value);
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * @Description: 向一张hash表中放入数据, 如果不存在将创建, 并设置时间
     * @Author: royxu
     * @Date: 2025/4/23  14:16
     * @Param: [key, item, value, time] 键,项,值,如果已存在的hash表有时间,这里将会替换原有的时间
     * @version: 1.0
     * @Return: boolean true 成功 false失败
     **/
    public boolean hset(String key, String item, Object value, long time) {
        try {
            redisTemplate.opsForHash().put(key, item, value);
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * @Description: 删除hash表中的值
     * @Author: royxu
     * @Date: 2025/4/23  14:18
     * @Param: [key, item] key:不能为null,item:项 可以使多个 不能为null
     * @version: 1.0
     * @Return: void
     **/
    public void hdel(String key, Object... item) {
        redisTemplate.opsForHash().delete(key, item);
    }

    /**
     * @Description: 判断hash表中是否有该项的值
     * @Author: royxu
     * @Date: 2025/4/23  14:18
     * @Param: [key, item] 不能为null
     * @version: 1.0
     * @Return: boolean true 存在 false不存在
     **/
    public boolean hHasKey(String key, String item) {
        return redisTemplate.opsForHash().hasKey(key, item);
    }

    /**
     * hash递增 如果不存在,就会创建一个 并把新增后的值返回
     *
     * @param key  键
     * @param item 项
     * @param by   要增加几(大于0)
     * @return
     */
    public double hincr(String key, String item, double by) {
        return redisTemplate.opsForHash().increment(key, item, by);
    }

    /**
     * hash递减
     *
     * @param key  键
     * @param item 项
     * @param by   要减少记(小于0)
     * @return
     */
    public double hdecr(String key, String item, double by) {
        return redisTemplate.opsForHash().increment(key, item, -by);
    }

    // ============================set=============================

    /**
     * 根据key获取Set中的所有值
     *
     * @param key 键
     * @return
     */
    public Set<Object> sGet(String key) {
        try {
            return redisTemplate.opsForSet().members(key);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return null;
        }
    }

    /**
     * 根据value从一个set中查询,是否存在
     *
     * @param key   键
     * @param value 值
     * @return true 存在 false不存在
     */
    public boolean sHasKey(String key, Object value) {
        try {
            return redisTemplate.opsForSet().isMember(key, value);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 将数据放入set缓存
     *
     * @param key    键
     * @param values 值 可以是多个
     * @return 成功个数
     */
    public long sSet(String key, Object... values) {
        try {
            return redisTemplate.opsForSet().add(key, values);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return 0;
        }
    }

    /**
     * 将set数据放入缓存
     *
     * @param key    键
     * @param time   时间(秒)
     * @param values 值 可以是多个
     * @return 成功个数
     */
    public long sSetAndTime(String key, long time, Object... values) {
        try {
            Long count = redisTemplate.opsForSet().add(key, values);
            if (time > 0)
                expire(key, time);
            return count;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return 0;
        }
    }

    /**
     * 获取set缓存的长度
     *
     * @param key 键
     * @return
     */
    public long sGetSetSize(String key) {
        try {
            return redisTemplate.opsForSet().size(key);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return 0;
        }
    }

    /**
     * 移除值为value的
     *
     * @param key    键
     * @param values 值 可以是多个
     * @return 移除的个数
     */
    public long setRemove(String key, Object... values) {
        try {
            Long count = redisTemplate.opsForSet().remove(key, values);
            return count;
        } catch (Exception e) {
            e.printStackTrace();
            return 0;
        }
    }

    // ===============================list=================================

    /**
     * 获取list缓存的内容
     *
     * @param key   键
     * @param start 开始
     * @param end   结束 0 到 -1代表所有值
     * @return
     */
    public List<Object> lGet(String key, long start, long end) {
        try {
            return redisTemplate.opsForList().range(key, start, end);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return null;
        }
    }

    /**
     * 获取list缓存的长度
     *
     * @param key 键
     * @return
     */
    public long lGetListSize(String key) {
        try {
            return redisTemplate.opsForList().size(key);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return 0;
        }
    }

    /**
     * 通过索引 获取list中的值
     *
     * @param key   键
     * @param index 索引 index>=0时， 0 表头，1 第二个元素，依次类推；index<0时，-1，表尾，-2倒数第二个元素，依次类推
     * @return
     */
    public Object lGetIndex(String key, long index) {
        try {
            return redisTemplate.opsForList().index(key, index);
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return null;
        }
    }

    /**
     * 将list放入缓存
     *
     * @param key   键
     * @param value 值
     * @return
     */
    public boolean lSet(String key, Object value) {
        try {
            redisTemplate.opsForList().rightPush(key, value);
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 将list放入缓存
     *
     * @param key   键
     * @param value 值
     * @param time  时间(秒)
     * @return
     */
    public boolean lSet(String key, Object value, long time) {
        try {
            redisTemplate.opsForList().rightPush(key, value);
            if (time > 0)
                expire(key, time);
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 将list放入缓存
     *
     * @param key   键
     * @param value 值
     * @return
     */
    public boolean lSet(String key, List<Object> value) {
        try {
            redisTemplate.opsForList().rightPushAll(key, value);
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 将list放入缓存
     *
     * @param key   键
     * @param value 值
     * @param time  时间(秒)
     * @return
     */
    public boolean lSet(String key, List<Object> value, long time) {
        try {
            redisTemplate.opsForList().rightPushAll(key, value);
            if (time > 0)
                expire(key, time);
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 根据索引修改list中的某条数据
     *
     * @param key   键
     * @param index 索引
     * @param value 值
     * @return
     */
    public boolean lUpdateIndex(String key, long index, Object value) {
        try {
            redisTemplate.opsForList().set(key, index, value);
            return true;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return false;
        }
    }

    /**
     * 移除N个值为value
     *
     * @param key   键
     * @param count 移除多少个
     * @param value 值
     * @return 移除的个数
     */
    public long lRemove(String key, long count, Object value) {
        try {
            Long remove = redisTemplate.opsForList().remove(key, count, value);
            return remove;
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            return 0;
        }
    }

    public boolean setObject(String key, Object value, long time) {
        String json = JSONUtil.toJsonStr(value);
        return this.set(key, json, time);
    }

    public <T> T getObject(String key, Class<T> parametrized) {
        Object obj = this.get(key);
        if (obj == null) {
            return null;
        } else {
            return JSONUtil.toBean(obj.toString(), parametrized);
        }
    }
}
